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Beidellite from
Oftedalsbakken, Lyngdal, Vest-Agder, Norway

Classification
Species:Beidellite
Formula:(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Comments:Described as beidellite by Barth (1940). According to Isachsen & Rosenqvist (1948) it is probably a mixture of montmorillonite and " bauxite-minerals"
Confirmation
Validity:Unconfirmed/Questioned
References
References:Barth, T.F.W. (1940): Norske mineraler av Beidellit-gruppen. Norsk Geologisk Tidskrift. 19: 300-310
Data
Mineral Data:Click here to view Beidellite data
Locality Data:Click here to view Oftedalsbakken, Lyngdal, Vest-Agder, Norway
 
Mineral and/or Locality  
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